AAON, Inc. · 4 hours ago
Infrastructure Administrator
Longview, TX
Full-time
Onsite
Senior Level
5+ years expAAON, Inc. is seeking an Infrastructure Administrator III to play a critical role in the design, implementation, configuration, and support of the organization’s IT infrastructure. The role focuses on network and server systems, ensuring stability, performance, and security while collaborating with senior IT staff and leadership.
Energy EfficiencyHeating Ventilation and Air Conditioning (HVAC)IndustrialManufacturing
Responsibilities
Design, configure, and maintain enterprise network infrastructure, including LAN, WLAN, WAN, firewalls, switches, and VPNs
Lead or co-lead infrastructure initiatives such as network redesigns, system migrations, and hardware upgrades
Monitor and analyze network performance, proactively identifying and resolving issues to ensure high availability and reliability
Implement and maintain network security measures, including firewall configurations, access controls, and patch management
Support and maintain Windows Server environments and VMware virtualization platforms
Administer core infrastructure services such as DNS, DHCP, and Active Directory
Develop and maintain detailed documentation for network configurations, procedures, and system architecture
Provide Tier III support for escalated technical issues, exercising independent judgment in troubleshooting and resolution
Collaborate with IT leadership on infrastructure planning and contribute to long-term technology strategies
Participate in a rotating on-call schedule and respond to critical incidents as needed
Qualification
Required
5+ years of progressive experience in network and systems administration in an enterprise IT environment
Demonstrated experience with enterprise networking technologies and virtualization platforms
Experience with network monitoring and diagnostic tools
Bachelor's degree in information technology, Computer Networking, or a related field; equivalent experience will be considered
Advanced knowledge of network protocols and services (TCP/IP, VLANs, VPNs, DNS, DHCP)
Strong troubleshooting and diagnostic skills across networking, virtualization, and server systems
Ability to work independently, prioritize tasks, and make decisions with minimal supervision
Excellent communication and documentation skills, with the ability to convey technical information clearly
Strong collaboration skills and the ability to contribute to cross-functional project teams
Commitment to continuous learning and staying current with emerging technologies and best practices
Must consistently embody the company's core values – Demonstrate Great Moral Character, give your very best, empower team members, innovate and push boundaries, promote a safe, respectful environment
Work is performed in both climate-controlled office settings and manufacturing environments, which may include exposure to noise
Must be able to lift and adjust equipment weighing up to 50 lbs
Use of personal protective equipment (PPE) is required
Evening and weekend work may be necessary based on operational needs
Preferred
Familiarity with cloud networking and hybrid infrastructure is a plus
Industry certifications such as Cisco CCNA/CCNP, CompTIA Network+, or VMware VCP are preferred
Company
AAON, Inc.
Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.
1001-5000 employees
H1B Sponsorship
AAON, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2023 (1)
2021 (1)
2020 (1)
Funding
Current Stage
Public CompanyTotal Funding
$80M2024-12-18Post Ipo Debt· $80M
1991-01-04IPO
Leadership Team
G
Gary Fields
Chief Executive Officer
Matt Tobolski
Chief Executive Officer
Recent News
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Company data provided by crunchbase